74 NEW YORK STATE MUSEUM 



Entomosporium maculatum Lev. 

 On fallen leaves of A m e 1 a n c h i e r canadensis (L.) 

 Medic. Albany, H. D. House, September 21. 



Gloeosporium hydrophylli Dearness & House 



On living leaves of Hydrophyllum virginianum L. 

 South bay, Madison county, H. D. House, August 20, 1918. The 

 type collection of this species was made at Kirkville, Onondaga 

 county on Hydrophyllum canadense L. On H. vir- 

 ginianum the spores are larger and measure up to 12 x 3 ,u. 



Gloeosporium polygoni Dearness & House, sp. nov. 



Spots brown, red-bordered, subcircular, soon deciduous, .5 to 2 cm 

 broad, becoming confluent. Acervuli epiphyllous, perforate, reach- 

 ing 200 [i in diameter. Spores oblong, 5-7 x 2 fi. When opened 

 in water the spores issue in relatively large streams. 



On living and languishing leaves of Polygonum Muhlen- 

 bergii S. Wats. South bay, Madison county, H. D. House, 

 September 16, 1919. 



The leaves also bear a scarcely mature Sphaerella which is appar- 

 ently Mycosphaerella polygonorum (die) comb. nov. Depazea 

 polygonorum Crie ; Sphaerella polygonorum Sacc. 

 (Syll., 1: 512. 1882). 



Gloeosporium caryae Ellis & Dearness 

 On living leaves ofHicoria glabra (Mill.) Britton. Glen- 

 mont, Albany county, H. D. House, September 23, 19 19. 



Gnomonia papillostoma Dearness & House, sp. nov. 



Perithecia black, hypophyllous but the dark base protuberent 

 and plainly visible on tbe upper sides of the leaves; except the pro- 

 truding ostiola covered by the cuticle, 200-300^ in diameter. Ostiola 

 cylindric, shining, often more or less curved, 80-200 ," long by 25-30 

 !-t thick, usually slightly enlarged at the perforate summit. Asci 

 35 x 7 >' J > cylindric. Sporules hyaline, biseriate or very obliquely 

 uniseriate, an obscure septum dividing a small pointed cell from a 

 superior wider one; 9-1 1 x 3 ,"■. 



On dead leaves of Spiraea latifolia Borkh., hanging on 

 living branches. Albany, H. D. House, May I. The type material 

 is not quite mature and most of the sporidia appear continuous. 



Hainesia rhoina (Sacc.) Ellis & Saccardo 

 On languishing leaves of Rhus Toxicodendrum L. 

 Albany, H. D. House, August 21, 1919. In Mycologia, 13: 162. 

 192 1. Shear and Dodge indicate that this is probably Hainesia 



